What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 99035-8: Trimethoprim resistance dfrA5 gene Molgen Ql (Islt/Spec)

Name: LOINC Code 99035-8: Trimethoprim resistance dfrA5 gene Molgen Ql (Islt/Spec)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:33.064Z

99035-8 is a LOINC code used to identify Trimethoprim resistance dfrA5 gene Molgen Ql (Islt/Spec) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Bacterial trimethoprim resistance dfrA5 gene. It is commonly used with the system or sample type Isolate/Specimen.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Bacterial trimethoprim resistance dfrA5 gene. It is commonly used with the system or sample type Isolate/Specimen.

When is it used?

Used in lab systems, EHRs, and clinical data exchange.
May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
Status: ACTIVE
Order vs observation: Observation
Method: Molgen

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Trimethoprim resistance dfrA5 gene [Presence] by Molecular method
Bacterial trimethoprim resistance dfrA5 gene
ANTIBIOTIC SUSCEPTIBILITIES; Bact; c202; c242; C62; Islt; Islt/Spm; Isol; Molecular genetics; Ordinal; PCR; Point in time; Polytrim; PR; Primsol; Proloprim; QL; Qual; Qualitative; Random; Resist; Resistanc; Resistant; Resistent; Screen; Spec; TMP; Trimeth; Trimpex

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Trimethoprim resistance dfrA5 gene Molgen Ql (Islt/Spec)Trimethoprim resistance dfrA5 gene [Presence] by Molecular methoddfrA5 Islt/Spm QlBacterial trimethoprim resistance dfrA5 geneABXBACTTrimethoprim resistance dfrA5 genePrThr

Frequently asked questions

Code details

Code99035-8

SystemLOINC

Display nameTrimethoprim resistance dfrA5 gene Molgen Ql (Islt/Spec)

DescriptionBacterial trimethoprim resistance dfrA5 gene

Short namedfrA5 Islt/Spm Ql

ComponentBacterial trimethoprim resistance dfrA5 gene

PropertyPrThr

TimingPt

System (specimen)Isolate/Specimen

ScaleOrd

MethodMolgen

ClassABXBACT

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Consumer names

Trimethoprim resistance dfrA5 gene

Part names

Bacterial trimethoprim resistance dfrA5 genePrThrPtIsolate/SpecimenOrdMolgenTrimethoprim resistance dfrA5 genePresence or ThresholdPoint in time (spot)Isolate or SpecimenMolecular genetics

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.